I've had a problem for a few weeks now when i update an existing app or install a new one off google play it force closes and disappears. Apps that already existed that i've only tried to update reappear when i restart my phone in their older version. Apps that I've tried to newly install are gone forever until i try to reinstall and they end up force closing and disappearing again as well. Also some apps that I've had saved in my SD card and uninstalled are still listed on my phone but show they're taking up NO memory, the fact that they're listed is odd to me though. My main concern is not being able to download or update applications. I've tried everything, three diffrent ways of factory resetting that have not worked. Wiping my cache in restore, nothing seems to work at all and I can't seem to find any other suggestions for an unrooted phone. Here's a link to a thread I started in xda in which on one was able to seem to help. One guy had a few suggestions I tried but none of it worked. [Q] Red Exclamation when Factory Restore nonrooted - xda-developers Anyone have any ideas?